<html>
  <head>
    <link href="/css/c3.css" rel="stylesheet" type="text/css">
  </head>
  <body>
    <div id="chart"></div>

    <script src="http://d3js.org/d3.v3.min.js" charset="utf-8"></script>
    <script src="/js/c3.js"></script>
    <script>
      var chart = c3.generate({
        data: {
          columns: [
            [ 'data', 91.4 ]
          ],
          type: 'gauge',
          onmouseover: function (d, i) { console.log("onmouseover", d, i, this); },
          onmouseout: function (d, i) { console.log("onmouseout", d, i, this); },
          onclick: function (d, i) { console.log("onclick", d, i, this); },
        },
        gauge: {
          label: {
//            format: function(value, ratio) {
//              return value;
//            },
//          show: false // to turn off the min/max labels.
          },
//          min: 0, // 0 is default, //can handle negative min e.g. vacuum / voltage / current flow / rate of change
//          max: 100, // 100 is default
//          units: ' %',
//          width: 39 // for adjusting arc thickness
        },
        color: {
          pattern: ['#FF0000', '#F6C600', '#60B044'], // the three color levels for the percentage values.
          threshold: {
//            unit: 'value', // percentage is default
//            max: 200, // 100 is default
            values: [30, 60, 90] // alternate first value is 'value'
          }
        }
      });

      var cycleDemo = function () {

        setTimeout(function () {
          d3.select('#chart .c3-chart-arcs-background')
            .transition()
            .style('fill', '#333');
        }, 1000);

        setTimeout(function () {
            chart.load({
              columns: [[ 'data', 10 ]]
            });
        }, 2000);

        setTimeout(function () {
            chart.load({
              columns: [[ 'data', 50 ]]
            });
        }, 3000);

        setTimeout(function () {
            chart.load({
              columns: [[ 'data', 91.4 ]]
            });
        }, 4000);

        setTimeout(function () {
          d3.select('#chart .c3-chart-arcs-background')
            .transition()
            .style('fill', '#e0e0e0');
        }, 5000);

        setTimeout(function () {
            chart.load({
              columns: [[ 'data', 0 ]]
            });
        }, 6000);

        setTimeout(function () {
            chart.load({
              columns: [[ 'data', 50 ]]
            });
        }, 7000);

        setTimeout(function () {
            chart.load({
              columns: [[ 'data', 91.4 ]]
            });
        }, 8000);

        setTimeout(function () {
            chart.load({
              columns: [[ 'data', 0 ]]
            });
        }, 9000);

        setTimeout(function () {
            chart.load({
              columns: [[ 'data', 50 ]]
            });
        }, 10000);

        setTimeout(function () {
            chart.load({
              columns: [[ 'data', 91.4 ]]
            });
        }, 11000);

        setTimeout(function () {
            chart.load({
              columns: [[ 'data', 0 ]]
            });
        }, 12000);

        setTimeout(function () {
            chart.load({
              columns: [[ 'data', 50 ]]
            });
        }, 13000);

        setTimeout(function () {
            chart.load({
              columns: [[ 'data', 91.4 ]]
            });
        }, 14000);

      }

      cycleDemo();

//      setInterval(cycleDemo, 30000);
    </script>
  </body>
</html>
